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Punctuated gradualism

Punctuated gradualism
Punctuated gradualism is a macroevolutionary hypothesis that refers to a species that has "relative stasis over a considerable part of its total duration [and] underwent periodic, relatively rapid, morphologic change that did not lead to lineage branching".

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Last updated on Saturday August 11, 2007 at 19:11:20 PDT (GMT -0700)
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